i am testing 2 hpop's from 05 and seem that both are dead.but one
cranked the truck when it had blowed the head gaskets.now that i have
everything back together and testing the pump before i put everything back together.before you say my gauge is no good i put an 03 pump on it and boom shot to 2400 psi on the 2nd or 3rd try so i know my gauage is good.

i just wouldn't think both pumps are bad but it seems that way any feed back fellas.

"These are DIESELSITE Adrenaline High Pressure Oil Pumps for 2003-2004 6.0L Powerstroke engines. This will be improvement in performance over your stock pump for stock or larger injectors. Note for 2005-2007: you can only use this if you retrofit all your rails and HPOP components out to the 2004 version, or wait for our 2005-2007 version ... "

my bad bud...the truck is an 05 and i have a mechanical gauge where the ipr
is and i get nothing.so i thought i'd try an 03 pump.i made a plate and attached it to
the top on the 03 pump and used the same gauge that i was using to test the 05 pumps.
the pressure shot up to 2400 on the 2nd or 3rd try.

i do not want to buy any pumps as i have plenty here.the truck in question had blowed head gaskets but still cranked and ran.i did arp's egr del/and i also deleted the internal
oil cooler and did an external oil set up which will later be posted in another thread.

i can make the 03 work since i have no 05-07 pumps and it would be really easy
but i was only testing the pumps and it seemed both are bad.i'm glad i did not sell
them to anybody on here.i will let you guys know if anything changes.

i will not have to change any oil rails or anything if i decide to do this.all that is required to do this is
some welding off the truck i will have pics.

Well then maybe a blown o-ring at the discharge line? But you say you can't hear anything and I imagine you would hear something with a bad o-ring. Maybe a blown plug but then for TWO different HPOPs...unusual indeed. I've got nothing...nothing. Sorry. Very odd. Are the two '05 HPOPs "recovered" parts or new parts?

no leaks what so ever and i'm triple sure lol.the 03-04 pump is good and there is only 200 psi difference between the 2 pumps 03-05 at wop.when i do the switch it will also have the up graded fitting welded to the 03 tube w/the 2 8mm bolts holding the feed tube down "just like an 05".

i've never like the 05-07 pumps at all.most of the time when you do head gaskets on an 05-07 you have to replace the following.egr cooler/oil cooler/hpop pump and filter.but i delete every bit of that except for the hpop pump "I ALWAYS HAVE TO REPLACE IT"

just seems messed up you have to do that almost every dam time and w/the 03-04 pumps you don't."i'm not 100% sure per say but it has been this dam way every freaking time and i'm fixing to put a stop to it.

speaking of hpop pumps.i was coming back from fl a very long trip and the check valve on the side of the pump came out while going down the rd.i noticed pwr loss and i looked down and seen that i was almost out of fuel.i stopped at a gas station and filled up and truck would not start.well i had brought all the parts needed to fix "i do this on very long trips.well went to eat something and cool off.when i got back to truck i fired it up and ran smooth as a pin "but i could only go 70" that's when i said a check valve or something has popped out.

i made it 1750 miles back home w/out shutting the truck off and the next mourning tore it down and boom i was right.so i know those 03 pumps and early 04 pumps are very stout and these are the very pumps i ran 8.0's in an 8th with "but not the particular one"

i'm only doing this as the pumps are around 800 at a ford dealer and i have 5-6 setting here that i know are good "SO WHY THE HELL NOT...after all we are in a recession whether we want to believe it or not so to each his own.

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